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comparison anagram/agcore/tree.h @ 0:13d2b8934445

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Import AnaGram (near-)release tree into Mercurial.
author David A. Holland
date Sat, 22 Dec 2007 17:52:45 -0500
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children 607e3be6bad8
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-1:000000000000 0:13d2b8934445
1 /*
2 * AnaGram, A System for Syntax Directed Programming
3 * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
4 * See the file COPYING for license and usage terms.
5 *
6 * tree.h
7 */
8
9 #ifndef TREE_H
10 #define TREE_H
11
12 class CharSetExpression; // from csexp.h
13 #include "register.h"
14
15
16 struct parse_tree_map;
17
18 class ParseTree : public KeyedObjectRegister<parse_tree_map> {
19 public:
20 ParseTree() {}
21 ParseTree(unsigned x);
22 ParseTree(const ParseTree &t);
23 ParseTree(CharSetExpression *x);
24 static void reset();
25
26 class Map;
27 friend class Map;
28
29 class Map {
30 public:
31 parse_tree_map &operator [] (unsigned x);
32 };
33 };
34
35 #include "symbol.h"
36 #include "token.h"
37
38 struct parse_tree_map {
39 Token token_number;
40 Symbol token_name;
41 CharSetExpression *expression;
42 int char_set;
43
44 parse_tree_map();
45 parse_tree_map(CharSetExpression *x);
46 ~parse_tree_map() {}
47 int operator < (const parse_tree_map &t) const;
48 };
49
50 extern ParseTree::Map map_parse_tree;
51
52
53 #endif /* TREE_H */